pole                  residue

    1  3.14159265358979e+00  -1.00000000000000e+00
    2  9.42477796076939e+00  -1.00000000000005e+00
    3  1.57079633498487e+01  -1.00000015116847e+00
    4  2.19918840702852e+01  -1.00081841700481e+00
    5  2.84288098692615e+01  -1.09580332705189e+00
    6  3.74385643171158e+01  -2.00687652338724e+00
    7  5.93141454252504e+01  -5.94277512934941e+00
    8  1.73674723843715e+02  -5.49537264520379e+01